101156223 has 8 divisors (see below), whose sum is σ = 154142848. Its totient is φ = 57803544.

The previous prime is 101156219. The next prime is 101156227. The reversal of 101156223 is 322651101.

It is an interprime number because it is at equal distance from previous prime (101156219) and next prime (101156227).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101156223 - 2² = 101156219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4816963 = 101156223 / (1 + 0 + 1 + 1 + 5 + 6 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101156223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101156227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408461 + ... + 2408502.

It is an arithmetic number, because the mean of its divisors is an integer number (19267856).

Almost surely, 2^101156223 is an apocalyptic number.

101156223 is a deficient number, since it is larger than the sum of its proper divisors (52986625).

101156223 is an equidigital number, since it uses as much as digits as its factorization.

101156223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816973.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 101156223 is about 10057.6450026833. The cubic root of 101156223 is about 465.9409366589.

The spelling of 101156223 in words is "one hundred one million, one hundred fifty-six thousand, two hundred twenty-three".